Meaning A girl's name of French origin, it means "Variant of Elizabeth My God is bountiful,'God of plenty." Origin of Isabeau French +-100%Zoom level changed to 1 Popular Middle Names Katalina Pronunciation 🔊 Listen Isabeau Similar Names Isabel Elisabetta Elyza Lizette Liezel Lilibet Lilibeth Lilybell Lilybeth Bessy Year by Year Popularity of Isabeau